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An acetate salt of ornipressin, a pharmaceutical peptide used as a vasoconstrictor in the treatment of type 1 hepatorenal syndrome.

Ornipressin is a potent vasoconstrictor agent used in surgery for hemostasis and in regional anesthesia for prolongation of nerve block. Ornipressin is a vasopressin agonist specific for the V1 receptor with low antidiuretic activity.